Instruction Manual Motor Lock HS7722
03.05.2021 // Page 2 of 6
Contents
1
What is a motor lock? ....................................................................................................................... 2
2
Design, dimensions, installation ........................................................................................................ 3
3
Electrical connection ......................................................................................................................... 4
3.1
Pin wiring ................................................................................................................................... 4
3.2
Motor actuation .......................................................................................................................... 4
4
Functional process ............................................................................................................................ 5
4.1
Home position (sensor #1) ......................................................................................................... 5
4.2
Door is latched (sensor #2, sensor #1 remains active) ............................................................... 5
4.3
Door moves into the seal (sensor #3) ........................................................................................ 5
4.4
Move to venting position (sensor #5) ......................................................................................... 6
4.5
Unlock door (sensor #6) ............................................................................................................. 6
4.6
Return to home position (sensor #1) .......................................................................................... 6
5
Technical data .................................................................................................................................. 6
1 What is a motor lock?
Since automation is entering more and more areas of our lives, new locking and interlocking systems are
needed. The new motor lock combines a mechanical interlock, motor drive unit, limit sensors and
electronic circuitry.
One of the many tasks of a motor lock is to not only lock a machine door but to apply a monitored and
controlled force to gently pull it into the door seal. Benefits of this locking device include an automatic
readjustment of the door when the seal has worn down.
When opening a door, the motor lock's up to 40 mm of travel distance provide further positioning options,
e.g. to let superheated steam escape from furnaces.
Safety aspects to be considered by users
Improper operation at initial use, protection of operators when the door closes automatically, protection
of door mechanism against damage, protective EMC measures, fuses to protect cables against
overload.
Properties
up to 40 mm travel distance
uses controlled force for closing
up to 400 N closing force
multiple target positions
emergency unlock supported
